.xf-mainBox {
    --xf-filter: blur(5px);
    --xf-color-0: rgba(0, 0, 0, .75);
    --xf-color-1: #fff;
    --xf-color-2: #eee;
    --xf-color-3: #afafaf;
    --xf-ani: ease-in-out both;
    --xf-FadeIn-Animation: fadeIn .35s var(--xf-ani);
    --xf-FadeOut-Animation: fadeOut .35s var(--xf-ani);
    --xf-divW-animation: divW .25s var(--xf-ani);
    --xf-divH-animation: divH .25s var(--xf-ani);
    --xf-divC-animation: divC .25s var(--xf-ani);
    -webkit-tap-highlight-color: transparent;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    z-index: 999;
    font-size: 16px;
    backdrop-filter: var(--xf-filter);
}

.xf-mainBox,
.xf-masking {
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    height: 100vh;
}

.xf-mainBox .xf-masking {
    background-color: var(--xf-color-0);
    z-index: 998;
}

.xf-fadeOutDiv {
    position: fixed;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    z-index: 1000;
}

.Div-w {
    animation: var(--xf-divW-animation);
    height: auto;
    width: 55vw;
}

.Div-h {
    animation: var(--xf-divH-animation);
    width: auto;
    height: 75vh;
}

.Div-center {
    animation: var(--xf-divC-animation);
    width: 30em;
    height: 30em;
}

@keyframes divW {
    from {
        width: 0;
    }

    to {
        width: 55vw;
    }
}

@keyframes divH {
    from {
        height: 0;
    }

    to {
        height: 75vh;
    }
}

@keyframes DivC {
    from {
        width: 0;
        height: 0;
    }

    to {
        width: 30em;
        height: 30em;
    }
}

.xf-delDom {
    cursor: pointer;
    font-style: normal;
    position: fixed;
    right: -1em;
    top: -1em;
    font-size: 3.5em;
    transition: all .35s;
    color: var(--xf-color-3);
}

.xf-delDom:hover {
    color: var(--xf-color-2);
    transform: rotate(45deg);
}

.xf-fadeOutText {
    cursor: pointer;
    margin: .7em auto;
    font-size: 1.2em;
    width: 90%;
    color: var(--xf-color-1);
}

.xf-fadeIn,
.xf-fadeOut {
    opacity: 0;
}

.xf-fadeIn {
    animation: var(--xf-FadeIn-Animation);
}

.xf-fadeOut {
    animation: var(--xf-FadeOut-Animation);
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes fadeOut {
    from {
        opacity: 1;
    }

    to {
        opacity: 0;
    }
}

img.xf-PicBlackbox,
img#xf-PicBlackbox {
    -webkit-opacity: 0;
    opacity: 0;
    -webkit-transition: opacity .35s;
    transition: opacity .35s;
}

img.xf-showImg {
    -webkit-opacity: 1;
    opacity: 1;
}

.xf-simpleAlert {
    --xf-color-0: rgba(255, 192, 203, .75);
    --xf-color-1: #fff;
    position: fixed;
    top: 5%;
    left: -100%;
    padding: 10px 20px;
    font-size: 1em;
    background-color: var(--xf-color-0);
    color: var(--xf-color-1);
    z-index: 1000;
    transition: left .35s;
}

@media screen and (max-width: 401px) {
    .xf-delDom {
        right: -0.4em;
        top: -1.2em;
        font-size: 2.5em;
    }

    .Div-w {
        width: 85vw;
    }

    .Div-h {
        height: 55vh;
    }

    .Div-center {
        width: 17.5em;
        height: 17.5em;
    }

    @keyframes divW {
        from {
            width: 0;
        }

        to {
            width: 85vw;
        }
    }

    @keyframes divH {
        from {
            height: 0;
        }

        to {
            height: 55vh;
        }
    }

    @keyframes DivC {
        from {
            width: 0;
            height: 0;
        }

        to {
            width: 17.5em;
            height: 17.5em;
        }
    }
}